<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>register</title>
</head>
<body>
<form action="/register" method="post">
    账号:<input type="text" name="username">
    密码:<input type="password" name="password">
    <input type="button" value="submit">
</form>
</body>
</html>